A swap deal which will see Coleraine midfielder Ciaron Harkin rejoin Derry City and Ben Doherty moving to the Bannsiders has been completed.
Doherty, 21, spent the first half of the season on loan at Glenavon where he started 15 league games.
It is a second spell at his hometown club for Harkin who joined Coleraine from Institute in 2017.
He will make his final Coleraine appearance against Cliftonville on Tuesday before making the switch.
The 22-year-old was a key component of Oran Kearney's Bannsiders team which won the Irish Cup and finished runners-up in the Irish Premiership last season.
He started for Rodney McAree's side in their win over Warrenpoint Town on Saturday, while Doherty came on as a substitute in the Lurgan Blues' draw with Institute.
Doherty, who joins Coleraine on a two-and-a-half year deal, will be eligible to play from January.
"We are delighted to secure the services of a quality footballer who is adaptable at playing across different positions," manager Rodney McAree told the club website.
"Ben has a great eye for goal, he has a terrific delivery at set pieces and a sweet left foot.
"Ciaron has been one of the best players I've worked with here at Coleraine," McAree added.
"His love for Derry City meant the deal was a possibility and I believe that was the only club he'd leave us for."